Website updates again

UGH. So we are accepting RSVPs only through our website. But, of course, wedding wire has updated again and now, once guests have RSVP'd, they can no longer go back to change it if need be, or add a note in the note to the couple box (which we were using to get info for for our destination wedding). Does anyone know if there is a new setting somewhere where I can allow guests to update their RSVP stuff so they can add needed info in the future? And if wedding wire is reading this, please change this!